By comprehensive utilization of biogas rural economics and eco - environmental sanitation can be improved and good ecological cycle can be formed.
开展沼气综合利用，能够促进农村生态环境的良性循环，改善农村环境卫生条件。
The eco-environmental system tends to change and becomes deteriorated with the changes of water resources in utilization and distribution patterns.
伴随着水资源利用分布格局的改变，河西走廊生态环境体系不断演变并趋于恶化。
Based on the research material of rainwater utilization demonstration zone in ZhunGeEr region, Author analyzed the economy, social and eco-environmental benefit.
以准格尔旗雨水集蓄利用示范区的研究资料分析了雨水资源化的经济、社会、生态效益。
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